199686238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{122207}}^1$

素因数の和:122271

約数の個数: 16

約数和(自身を含む): 322629120

約数和(自身を除く): 122942882

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 122207, 244414, 2321933, 4643866, 5254901, 10509802, 99843119, 199686238]

約数ペア:

[(1, 199686238), (2, 99843119), (19, 10509802), (38, 5254901), (43, 4643866), (86, 2321933), (817, 244414), (1634, 122207)]